#box {
	width: 80px;
	height: 80px;
	background: #fd7430;
	border: none;
	border-radius: 5px;
	outline: none;
	color: #fff;
}

.div-container {
	position: fixed;
	top: 0%;
	width: 100%;
	height: 100%;
	z-index: 200;
	background: rgba(0, 0, 0, 0.5) !important;
	/* 兼容ie几不知道，好像ie5 */
	background: #000;
	filter: Alpha(opacity=60);
}
/*设置div-child的父元素主要是将要此元素的父元素透明特性继承过来，故div-child不会半透明，而是不透明，解决了父元素透明，子元素也透明的bug */

.div-child-container {
	position: relative;
	width: 400px;
	height: 240px;
	margin: auto;
	top: 30%;
	background: #fff;
	z-index: 250;
	/*z-index要放在父元素之上 */
}

.div-child {
	width: 400px;
	height: 200px;
	margin: auto;
	background: #fff;
	z-index: 300;
	/*z-index要放在父元素之上 */
	text-align: center;
}

.div-child table {
	width: 100%;
	margin:0 auto;
	
}

.div-child .my-btn {
	margin-top: 80px;
}